Elastic buckling of cylindrical pipe linings with variable thickness encased in rigid host pipes

Li, Zhaochao; Wang, Lizhong; Guo, Zhen; Shu, Heng

doi:10.1016/j.tws.2011.11.003

Cited by 59 publications

(5 citation statements)

References 12 publications

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“…Buckling analysis of steel cylindrical liners in hydraulic pressure tunnels and penstocks can be grouped into the following approaches [15,23,24]:…”

Section: Review Of Some Buckling Theoretical Approachesmentioning

confidence: 99%

See 1 more Smart Citation

A Full 3D Finite Element Model for Buckling Analysis of Stiffened Steel Liners in Hydroelectric Pressure Tunnels

Valdeolivas

Feijóo

2013

Journal of Pressure Vessel Technology

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“…Buckling analysis of steel cylindrical liners in hydraulic pressure tunnels and penstocks can be grouped into the following approaches [15,23,24]:…”

Section: Review Of Some Buckling Theoretical Approachesmentioning

confidence: 99%

“…Results of 2D models have been successfully checked with available closed-form analytical solutions: Glock [16], El-Sawy [16,17], Thepot [22], Boot [19], Jacobsen [17,18], Montel [28], Li [24] and Prabu [29]. Hence, 2D models are used for calibrating the 3D numerical models implemented in this work.…”

Section: Nonlinear 2d Analysis Of a Constrained Steel Linermentioning

confidence: 99%

A Full 3D Finite Element Model for Buckling Analysis of Stiffened Steel Liners in Hydroelectric Pressure Tunnels

Valdeolivas

Feijóo

2013

Journal of Pressure Vessel Technology

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“…Although the problem of pipe wall protection and repair has been improved to a certain extent, there are still certain limitations in practical applications. For example, the repair methods of intercalation and lining are prone to gaps between the repair material and the pipe, which may still be subjected to corrosion [ 11 , 12 ]. Commonly used spray protection technology also faces problems with uneven spraying and low bonding strength [ 13 , 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

Optimization of Plating Process on Inner Wall of Metal Pipe and Research on Coating Performance

Zhang

et al. 2023

Materials

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An innovative brush plating process for preparing coatings on the inner wall of metal pipes is proposed, which aims to solve the limitations of current electroplating technology and improve the performance of the inner walls of metal pipes. While optimizing the process, the effect of working voltage on the microhardness, thickness, surface morphology, corrosion resistance, and elastoplasticity of the Ni coating on the inner wall of the tube was studied under the new process. The results indicate this technique can produce high-quality coatings on the inner wall of pipes in a simple and efficient manner. As the working voltage increases, the surface quality and comprehensive performance of the coating show an increasing trend followed by a decreasing trend. At 12 V, the coating exhibits the highest surface density and uniformity, the lowest surface roughness, the best corrosion resistance, and the maximum microhardness of 575.8 HV, with a corrosion current density of 1.040 × 10−5 A·cm−2, a corrosion rate of 0.122 mm·a−1, the maximum elastic recovery ratio he/hmax of 0.36, and the best deformation resistance. This study demonstrated the effectiveness of this method in improving the durability and functionality of metal pipes and its potential for various industrial applications.

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“…Reda et al [19] developed mathematical equations between annular flow and annular space in lined pipes based on field tests on different forms of lined rehabilitated pipelines. Li et al [20] developed an analytical model based on the theory of minimum potential energy to simulate an elastically flexural CIPP liner subjected to external hydrostatic pressure and analyzed the effect of CIPP liner thickness variation due to corrosive liquids or gases on the performance of CIPP liners. Hani Alzraiee et al [21] investigated the life expectancy of drainage pipes after CIPP rehabilitation by analyzing the results of mechanical damage tests on drainage pipes after CIPP rehabilitation.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study on Mechanical Properties of Corroded Concrete Pipes before and after Cured-in-Place-Pipe Rehabilitation

Zhang

Yang

2023

Sustainability

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Cured-In-Place-Pipe (CIPP) rehabilitation technology is widely utilized in pipeline rehabilitation projects and has exhibited favorable results. Nevertheless, the mechanical characteristics of pipelines after CIPP rehabilitation and the effectiveness of CIPP rehabilitation in repairing these mechanical characteristics remain unknown. To address these issues, a three-dimensional numerical model of a corroded concrete pipe before and after CIPP rehabilitation was established in the present study. To authenticate the accuracy of the numerical model, the numerical simulation data were compared with the full-scale test data from prior research, and the comparison outcomes show that the numerical model formulated in this study is reasonable and reliable. To appraise the repair effectiveness of CIPP rehabilitation, the mechanical properties of a corroded pipe, a CIPP-repaired pipe, and a normal pipe under traffic load were computed and compared, and the comparison outcomes demonstrate that the stress in the pipe bell, stress in the pipe spigot, vertical displacement of the pipe crown, and vertical displacement of the pipe invert were reduced by 39.8%, 16.7%, 24.7%, and 24.4%, respectively, after CIPP rehabilitation. Moreover, a series of three-dimensional numerical models were constructed to scrutinize the impacts of factors such as corrosion degree, corrosion angle, and traffic load on the mechanical properties of corroded pipelines before and after CIPP rehabilitation. The findings indicate that the stress on the pipe escalates with increasing corrosion degrees and diminishes with increasing corrosion angles; there are no noteworthy differences between the vertical displacement of the pipe and the von Mises stress of the CIPP liner for diverse corrosion degrees and corrosion angles; the amplification of the traffic load will augment the stress and displacement of the pipe and increase the rotation of the pipe, resulting in a significant upsurge in the stress of the CIPP liner at pipe joints. When the traffic load magnitude rises from 0.7 MPa to 1 MPa, the stress and displacement of the pipe and the von Mises stress of the CIPP liner were increased by 18.9%, 42.3%, and 42.1%, respectively.

show abstract

Elastic buckling of cylindrical pipe linings with variable thickness encased in rigid host pipes

Cited by 59 publications

References 12 publications

A Full 3D Finite Element Model for Buckling Analysis of Stiffened Steel Liners in Hydroelectric Pressure Tunnels

A Full 3D Finite Element Model for Buckling Analysis of Stiffened Steel Liners in Hydroelectric Pressure Tunnels

Optimization of Plating Process on Inner Wall of Metal Pipe and Research on Coating Performance

Numerical Study on Mechanical Properties of Corroded Concrete Pipes before and after Cured-in-Place-Pipe Rehabilitation

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